diff --git a/languages/nl_NL/lang.inc b/languages/nl_NL/lang.inc
index e5b27dd47..a3c55c0dd 100644
--- a/languages/nl_NL/lang.inc
+++ b/languages/nl_NL/lang.inc
@@ -19,7 +19,7 @@
 //    along with this program; if not, write to the Free Software
 //    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 //
-//    Translators: Admin (710), pepijn (45), reinoutdijkstra@hotmail.com (270)
+//    Translators: Admin (710), gijsbertush (7), pepijn (45), reinoutdijkstra@hotmail.com (270)
 
 $text = array(
 'accept' => 'Accept',
@@ -51,7 +51,7 @@ URL: [url]',
 'add_approval' => 'Verzend [Goedkeuring]',
 'add_document' => 'Document toevoegen',
 'add_document_link' => 'Link toevoegen',
-'add_document_notify' => '',
+'add_document_notify' => 'Notificatie toekennen',
 'add_doc_reviewer_approver_warning' => 'N.B. Documenten zijn automatisch gemarkeeerd als [Gepubliceerd] als geen [Autoriseerder] of [Controleur] is toegewezen.',
 'add_doc_workflow_warning' => 'N.B. Documenten worden automatisch gemarkeerd als vrijgegeven, indien er geen workflow is toegewezen.',
 'add_event' => 'Activiteit toevoegen',
@@ -59,13 +59,13 @@ URL: [url]',
 'add_member' => 'Lid toevoegen',
 'add_multiple_documents' => 'Meerdere Documenten Toevoegen',
 'add_multiple_files' => 'Meerdere bestanden toevoegen (Gebruikt bestandsnaam als document naam)',
-'add_receipt' => '',
+'add_receipt' => 'Bericht ontvangst',
 'add_review' => 'Verzend [Controle]',
-'add_revision' => '',
+'add_revision' => 'Voeg goedkeuring toe',
 'add_subfolder' => 'Submap toevoegen',
 'add_to_clipboard' => 'Toevoegen aan klembord',
-'add_to_transmittal' => '',
-'add_transmittal' => '',
+'add_to_transmittal' => 'Toevoegen aan verzending',
+'add_transmittal' => 'Verzending toevoegen',
 'add_user' => 'Nieuwe gebruiker toevoegen',
 'add_user_to_group' => 'Gebruiker aan groep toevoegen',
 'add_workflow' => 'Nieuwe workflow toevoegen',
@@ -82,8 +82,13 @@ URL: [url]',
 'and' => 'en',
 'apply' => 'Toepassen',
 'approval_deletion_email' => 'Goedkeuring verzoek verwijderd',
-'approval_deletion_email_body' => '',
-'approval_deletion_email_subject' => '',
+'approval_deletion_email_body' => 'Vraag om goedkeuring verwijderd
+Document: [name]
+Versie: [version]
+Map: [folder_path]
+Gebruiker: [username]
+URL: [url]',
+'approval_deletion_email_subject' => '[sitename]: [name] - Verzoek om goedkeuring verwijderd',
 'approval_file' => '',
 'approval_group' => 'Goedkeuring Groep',
 'approval_log' => 'Goedkeuring overzicht',
diff --git a/languages/sk_SK/lang.inc b/languages/sk_SK/lang.inc
index 5d5b7ae12..f0b507065 100644
--- a/languages/sk_SK/lang.inc
+++ b/languages/sk_SK/lang.inc
@@ -19,7 +19,7 @@
 //    along with this program; if not, write to the Free Software
 //    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 //
-//    Translators: Admin (488)
+//    Translators: Admin (489)
 
 $text = array(
 'accept' => 'Prijať',
@@ -1153,7 +1153,7 @@ $text = array(
 'uploaded_by' => 'Nahral',
 'uploading_failed' => 'Nahranie zlyhalo. Prosám, kontaktujte správcu.',
 'uploading_maxsize' => 'Uploadovaný súbor prekročil maximálnu povolenú velkosť.',
-'uploading_zerosize' => '',
+'uploading_zerosize' => 'Nahrávate prázdny súbor. Nahrávanie je zrušené.',
 'used_discspace' => 'Využitý priestor na disku',
 'user' => 'Používateľ',
 'users' => 'Používateľ',
diff --git a/languages/zh_CN/lang.inc b/languages/zh_CN/lang.inc
index bb7a97e9c..db5689c9e 100644
--- a/languages/zh_CN/lang.inc
+++ b/languages/zh_CN/lang.inc
@@ -19,7 +19,7 @@
 //    along with this program; if not, write to the Free Software
 //    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 //
-//    Translators: Admin (593), fengjohn (5)
+//    Translators: Admin (608), fengjohn (5)
 
 $text = array(
 'accept' => '接受',
@@ -238,7 +238,7 @@ URL: [url]',
 'current_quota' => '',
 'current_state' => '',
 'current_version' => '当前版本',
-'daily' => '',
+'daily' => '天',
 'databasesearch' => '数据库搜索',
 'date' => '日期',
 'days' => '',
@@ -405,7 +405,7 @@ URL: [url]',
 'guest_login_disabled' => '来宾登录被禁止',
 'help' => '帮助',
 'home_folder' => '',
-'hourly' => '',
+'hourly' => '小时',
 'hours' => '',
 'hr_HR' => '克罗地亚人',
 'human_readable' => '可读存档',
@@ -517,7 +517,7 @@ URL: [url]',
 'missing_transition_user_group' => '',
 'monday' => 'Monday',
 'monday_abbr' => '',
-'monthly' => '',
+'monthly' => '月',
 'month_view' => '月视图',
 'move' => '移动',
 'move_clipboard' => '移动剪切板',
@@ -800,27 +800,27 @@ URL: [url]',
 'settings_Display' => '设置显示',
 'settings_dropFolderDir' => '',
 'settings_dropFolderDir_desc' => '',
-'settings_Edition' => '',
+'settings_Edition' => '编辑设置',
 'settings_enableAcknowledgeWorkflow' => '',
 'settings_enableAcknowledgeWorkflow_desc' => '',
 'settings_enableAdminRevApp' => '',
 'settings_enableAdminRevApp_desc' => '',
 'settings_enableCalendar' => '',
 'settings_enableCalendar_desc' => '',
-'settings_enableClipboard' => '',
+'settings_enableClipboard' => '允许剪切板',
 'settings_enableClipboard_desc' => '',
-'settings_enableConverting' => '',
-'settings_enableConverting_desc' => '',
-'settings_enableDropUpload' => '',
+'settings_enableConverting' => '打开转换',
+'settings_enableConverting_desc' => '打开/关闭文件转换',
+'settings_enableDropUpload' => '允许快速上传',
 'settings_enableDropUpload_desc' => '',
 'settings_enableDuplicateDocNames' => '允许重复的文件名',
 'settings_enableDuplicateDocNames_desc' => '',
-'settings_enableEmail' => '',
-'settings_enableEmail_desc' => '',
+'settings_enableEmail' => '开启邮件',
+'settings_enableEmail_desc' => '开启/关闭邮件自动提醒',
 'settings_enableFolderTree' => '',
 'settings_enableFolderTree_desc' => '',
-'settings_enableFullSearch' => '',
-'settings_enableFullSearch_desc' => '',
+'settings_enableFullSearch' => '允许全文搜索',
+'settings_enableFullSearch_desc' => '允许全文搜索',
 'settings_enableGuestLogin' => '',
 'settings_enableGuestLogin_desc' => '',
 'settings_enableLanguageSelector' => '',
@@ -849,7 +849,7 @@ URL: [url]',
 'settings_enableThemeSelector_desc' => '',
 'settings_enableUserImage' => '',
 'settings_enableUserImage_desc' => '',
-'settings_enableUsersView' => '',
+'settings_enableUsersView' => '开启用户视图',
 'settings_enableUsersView_desc' => '',
 'settings_enableVersionDeletion' => '',
 'settings_enableVersionDeletion_desc' => '',
@@ -870,7 +870,7 @@ URL: [url]',
 'settings_firstDayOfWeek_desc' => '',
 'settings_footNote' => '附注',
 'settings_footNote_desc' => '显示在每个页面底部的信息',
-'settings_fullSearchEngine' => '',
+'settings_fullSearchEngine' => '全文搜索引擎',
 'settings_fullSearchEngine_desc' => '',
 'settings_fullSearchEngine_vallucene' => 'Zend Lucene',
 'settings_fullSearchEngine_valsqlitefts' => 'SQLiteFTS',
@@ -954,7 +954,7 @@ URL: [url]',
 'settings_rootFolderID_desc' => '',
 'settings_SaveError' => '',
 'settings_Server' => '',
-'settings_showMissingTranslations' => '',
+'settings_showMissingTranslations' => '显示丢失的翻译',
 'settings_showMissingTranslations_desc' => '',
 'settings_Site' => '站点设置',
 'settings_siteDefaultPage' => '网站的默认页',